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Organization and Significant Accounting Policies. (Details) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Apr. 15, 2020 | Dec. 19, 2019 | Dec. 15, 2016
Organization and Significant Accounting Policies. (Details) [Line Items] |  |  |  |  |
Equity interest owned | 100.00% |  |  |  |
Conserve capital, percentage | 50.00% |  |  |  |
Cash | $ 71,800,000 |  |  |  |
Sale of real property | 10,000,000 |  |  |  |
Proceed from issuance of common stock | 75,800,000 |  |  |  |
Warrant exercise | 5,500,000 |  |  |  |
Principle payment of debt | $ 157,600,000 |  |  |  |
Reportable segments | 3 |  |  |  |
Accounts receivable balance | $ 35,839,000 | $ 63,736,000 |  |  |
Allowance for doubtful accounts | 260,000 | 39,000 |  |  |
Bad debt expense | $ 245,000 | 27,000 |  |  |
Net sales, percentage | 10.00% |  |  |  |
Accounts receivable | $ 43,491,000 | 74,307,000 |  |  |
Total purchase of ethanol | 10.00% |  |  |  |
Employees covered by collective bargaining agreement | 51.00% |  |  |  |
Net inventory valuation adjustment | $ 1,033,000 | 1,290,000 |  |  |
Operating annual production capacity | – Selling costs associated with the Company’s product sales are classified as a component of selling, general and administrative expenses in the accompanying consolidated statements of operations. |  |  |  |
Fair value of impairment | $ 2,100,000 |  |  |  |
Amortization of deferred financing costs | 1,394,000 | 511,000 |  |  |
Unamortized deferred financing costs | $ 759,000 | $ 2,153,000 |  |  |
Potentially dilutive shares from convertible securities outstanding (in Shares) | 2,463,000 | 635,000 |  |  |
Customer A and B [Member] |  |  |  |  |
Organization and Significant Accounting Policies. (Details) [Line Items] |  |  |  |  |
Accounts receivable | $ 4,421,000 | $ 15,624,000 |  |  |
Concentration risk percentage | 10.00% | 21.00% |  |  |
Kinergy’s Operating Line of Credit [Member] |  |  |  |  |
Organization and Significant Accounting Policies. (Details) [Line Items] |  |  |  |  |
Cash | $ 47,700,000 |  |  |  |
Borrowings | 16,000,000 |  |  |  |
Pacific Aurora [Member] |  |  |  |  |
Organization and Significant Accounting Policies. (Details) [Line Items] |  |  |  |  |
Equity interest owned |  |  | 100.00% | 73.93% | 73.93%
Net cash proceeds from sale of interest | $ 19,900,000 |  |  |  |
Aurora Cooperative Elevator Company [Member] |  |  |  |  |
Organization and Significant Accounting Policies. (Details) [Line Items] |  |  |  |  |
Equity interest owned |  |  |  |  | 26.07%
Aurora Cooperative Elevator Company [Member] | Pacific Aurora [Member] |  |  |  |  |
Organization and Significant Accounting Policies. (Details) [Line Items] |  |  |  |  |
Equity interest owned |  |  | 26.07% |  |

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